US Bridges

NW 56th ST over North Oak Creek (c 65)

Good

Lancaster County, Nebraska · 2.5N of Raymond · Structure no. C005541320

Built
1993
32 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete Continuous
Length
137 ft
3 main spans
Daily traffic
50
2018 count
Owner
County
County Highway Agency

About this bridge

NW 56th ST over North Oak Creek (c 65) is a concrete continuous slab carrying NW 56th ST over North Oak Creek (c 65) in Lancaster County, Nebraska. It was built in 1993, so it is 32 years old, younger than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 85 by 2042. The structure is 137 ft (41.8 m) long and 30 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesNW 56th ST
CrossesNorth Oak Creek (c 65)
Location2.5N of Raymond
RouteCounty Highway 413
Coordinates40.9965, -96.7956
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.3 US tons
Inventory rating40.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length137 ft (41.8 m)
Longest span54 ft (16.5 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2018)
Projected traffic85 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NW 56th ST over North Oak Creek (c 65) built?

It was built in 1993, making it 32 years old in 2025.

What condition is NW 56th ST over North Oak Creek (c 65) in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does NW 56th ST over North Oak Creek (c 65) carry?

About 50 vehicles per day (2018 count).

How long is NW 56th ST over North Oak Creek (c 65)?

The structure is 137 ft (41.8 m) long with a longest span of 54 ft (16.5 m) and a deck 30 ft wide.

Who owns NW 56th ST over North Oak Creek (c 65)?

It is owned by the County Highway Agency.